Place name : West Light Wall, Rathlin Island. County : Antrim
Date : 2025-07-20 GPS : 55.30421,-6.28112. Depth : -15.0 to -31.0 m. [ View map ]
Site Description : Vertical bedrock wall covered in sponges, anemones and ascidians.
Forest kelp,
Laminaria hyperborea, [
00:00:04];
Lobster pot with two lobsters,
Homarus gammarus, [
00:00:10];
Sea beech,
Delesseria sanguinea, [
00:00:25];
Wall of soft corals,
Alcyonium digitatum, [
00:00:44];
Black tar sponge,
Dercitus bucklandi, [
00:01:05];
Yellow cluster anemone,
Parazoanthus axinellae, [
00:01:17]
Yellow sponge,
Iophon nigricans, [
00:01:55];
Volcano sponge,
Haliclona viscosa, [
00:02:06];
Sea squirt,
Aplidium nordmanni, [
00:02:19];
White cluster anemone,
Parazoanthus anguicomus, [
00:02:52];
Back of cave in limestone are the sponges,
Spongosorites calcicola, Desmacella cf. annexa and
Pachymatisma johnstonia [
00:03:08];
Golfball sponge,
Tethya citrina, [
00:04:03];
Hedgehog sponge,
Polymastia boletiformis, [
00:04:21];
Ballan wrasse,
Labrus bergylta, [
00:04:30];
Elegant anemones,
Cylista elegans, [
00:04:37];
Soft coral,
Alcyonium digitatum, [
00:05:15];
Jewel anemones,
Corynactis viridis, [
00:05:21];
Hydroid,
Ectopleura larynx, [
00:05:59];
Colonial sea squirt,
Diplosoma spongiforme, [
00:06:18];
White plumose anemones,
Metridium senile, [
00:06:24];
Yellow sponge,
Myxilla incrustans, [
00:06:31];
Wall of jewel anemones,
Corynactis viridis, [
00:06:46];
Sea gooseberry,
Pleuobranchia pileus, [
00:07:09]
Biotope 1 : Sponges and anemones on vertical circalittoral bedrock.
Biotope 2 : Laminaria hyperborea with dense foliose red seaweeds on exposed infralittoral rock.